Verstappen clinched the best championship result of his young F1 career last season, rising to fourth in the championship with a stunning podium run in the second half of the year.
"I don't think he lacks anything that they have, and if we can provide him the tools to do the job, he's probably the driver that they fear the most".
But Horner expressed his confidence that the Dutchman, who became the sport's youngest victor when he won the 2016 Spanish Grand Prix at the age of 18, would be their heir apparent.
Last season saw Red Bull pick up four victories during its final year in partnership with Renault before switching to Honda in 2019, but the team was unable to challenge the likes of Mercedes and Ferrari on a number of circuits.
Last year's regulations saw drivers permitted to using just three engines over an entire season, with penalties handed out to anyone who exceeded the limit.
"He's just much more rounded through experience. He's just in a better place to be able to deal with the pressures that are placed on him".
Walking back Syria withdrawal, Trump cites need to watch Iran, 'protect' Israel
In both Syria and Iraq, local forces remain heavily reliant on support from the USA -led coalition, the report said. "This war. Iraqi military personnel discovered and managed to defuse three Grad rockets pointed at the base set with electronic timers.
He said Verstappen had learned from his mistakes and that the 'community service' charge he served for starting an altercation with Force India's Esteban Ocon following their crash in Brazil a year ago had opened his eyes.
Thai-born Alexander Albon raced in the shadows of the top two British drivers in Formula 2 last season, but has earned his big chance alongside Kvyat.
Verstappen said Red Bull is buzzing with "positive energy", thanks to the new works partnership with Honda.
He added: "He came back and went, "Crikey, these guys have got hard decisions to make". It's also exciting, but that really only comes when I'm in the auto.
Ricciardo spent five seasons with Red Bull but made the move to join Renault where many feel he is taking a step down. "To continue to improve, this is the best situation that can happen to me", he said.
"An terrible lot of frustration was born out of that.so I think with Honda, it being a true technical partnership, there's much more collective responsibility from both sides rather than being a customer-supplier scenario".
"We are going to try to win as many races as possible".